LEASES - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Cash Paid For Amounts Included In The Measurement Of Lease Liabilities [Abstract]
Operating leases	$ 93,556	$ 70,611	$ 72,871
Finance leases	2,473	0	0
Right Of Use Assets Obtained In Exchange For New Lease Liabilities [Abstract]
Right of use assets obtained in exchange for new operating lease liabilities	29,551	39,155	82,718
Reversal of lease liabilities | COVID-19 Restructuring Plan and Fiscal 2020 Restructuring Plan
Right Of Use Assets Obtained In Exchange For New Lease Liabilities [Abstract]
ROU assets acquired			$ 22,600
Micro Focus
Right Of Use Assets Obtained In Exchange For New Lease Liabilities [Abstract]
ROU assets acquired	$ 129,700
Zix Corporation and Bricata Inc
Right Of Use Assets Obtained In Exchange For New Lease Liabilities [Abstract]
ROU assets acquired		$ 8,100